Esempio n. 1
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    def __init__(self, name, config, target_directory, dry_run=False):
        """Create a new PgDump instance

        :param name: unique name of this backup (e.g. pg_dump/20100101_000000)
        :param target_directory: where backup files should be stored
        :param dry_run: boolean flag indicating whether we should only go
                        through the motions of a backup without actually
                        performing the heavy weight steps.
        """
        self.name = name
        self.config = config
        self.target_directory = target_directory
        self.dry_run = dry_run
        self.config.validate_config(CONFIGSPEC)

        self.connection = get_connection(self.config)
        self.databases = pg_databases(self.config, self.connection)
        LOG.info("Found databases: %s", ','.join(self.databases))
Esempio n. 2
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    def __init__(self, name, config, target_directory, dry_run=False):
        """Create a new PgDump instance

        :param name: unique name of this backup (e.g. pg_dump/20100101_000000)
        :param target_directory: where backup files should be stored
        :param dry_run: boolean flag indicating whether we should only go
                        through the motions of a backup without actually
                        performing the heavy weight steps.
        """
        self.name = name
        self.config = config
        self.target_directory = target_directory
        self.dry_run = dry_run
        self.config.validate_config(CONFIGSPEC)

        self.connection = get_connection(self.config)
        self.databases = pg_databases(self.config, self.connection)
        LOG.info("Found databases: %s", ','.join(self.databases))
Esempio n. 3
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    def backup(self):
        """
        Start a backup.
        """

        if self.dry_run:
            # Very simply dry run information
            # enough to know that:
            # 1) We can connect to Postgres using pgpass data
            # 2) The exact databases we would dump
            for name in pg_databases(self.config):
                LOG.info('pg_dump -Fc %s', name)
            return

        # First run a pg_dumpall -g and save the globals
        # Then run a pg_dump for each database we find
        backup_dir = os.path.join(self.target_directory, 'data')

        # put everything in data/
        try:
            os.mkdir(backup_dir)
        except OSError, exc:
            raise PgError("Failed to create backup directory %s" % backup_dir)